Where I'm from mostly installations have a 2 inch deep drip pan which you place a water detector. It emits a very loud noise if the bottom of it gets wet ex. h

Where I'm from mostly installations have a 2 inch deep drip pan which you place a water detector. It emits a very loud noise if the bottom of it gets wet ex. https://www.homedepot.com/p/Basement-Watchdog-Battery-Operated-Water-Alarm-BWD-HWA/100038838 https://www.homedepot.com/p/Basement-Watchdog-Battery-Operat... This doesn't help for catastrophic failures but for leaks it should.